{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "By contrast , 1 , 12 - diamino - 3 , 6 , 9 - triazadodecane ( SpmTrien ) , a charge - deficient spermine analog , was an extremely poor substrate of human recombinant SSAT2 and was metabolized by SSAT1 in HEPG2 cells and in wild - type primary hepatocytes ."}
{"Chemical": ["1 , 12 - diamino - 3 , 6 , 9 - triazadodecane", "SpmTrien", "spermine"]}